Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Hunting
The Basics, Starting Out
Whats your opinion on this setup?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="cross" data-source="post: 1665986" data-attributes="member: 8592"><p>All of the previous suggestions seem good. The part that I picked up on was to get your 250 gr A-Frames out to 700 yards. Those are some seriously low BC bullets and I think they're pretty hard (meaning not easy to deform /mushroom) too.</p><p></p><p>According to my little ballistics calculator, if you're shooting them at an elevation of 5,000 feet, you'll need to have a muzzle velocity close to 3,100 fps in order to keep them above 1,800 fps at 700 yards. Because A-Frames are so stoutly constructed, I'm not even sure that 1,800 fps will get them to start mushrooming. They might need to be traveling more like 2,000 fps. If they don't mushroom, they're going to behave like a full metal jacket bullet and just punch a hole.</p><p></p><p>Anyone please feel free to correct me on this because I've never attempted to shoot anything long range with an A-Frame, I could be mistaken. To get out to 700 yards with a 338 RUM is no problem, I'm just thinking that you might be better served than with a 250 A-Frame for this application.</p><p></p><p>Good thread.</p><p></p><p>Thanks </p><p></p><p>Cross</p></blockquote><p></p>
[QUOTE="cross, post: 1665986, member: 8592"] All of the previous suggestions seem good. The part that I picked up on was to get your 250 gr A-Frames out to 700 yards. Those are some seriously low BC bullets and I think they’re pretty hard (meaning not easy to deform /mushroom) too. According to my little ballistics calculator, if you’re shooting them at an elevation of 5,000 feet, you’ll need to have a muzzle velocity close to 3,100 fps in order to keep them above 1,800 fps at 700 yards. Because A-Frames are so stoutly constructed, I’m not even sure that 1,800 fps will get them to start mushrooming. They might need to be traveling more like 2,000 fps. If they don’t mushroom, they’re going to behave like a full metal jacket bullet and just punch a hole. Anyone please feel free to correct me on this because I’ve never attempted to shoot anything long range with an A-Frame, I could be mistaken. To get out to 700 yards with a 338 RUM is no problem, I’m just thinking that you might be better served than with a 250 A-Frame for this application. Good thread. Thanks Cross [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Hunting
The Basics, Starting Out
Whats your opinion on this setup?
Top